Analysis

  • max time kernel
    29s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 12:20

General

  • Target

    482c40bf313a352c279a0abca3365739926d8b543d1192f96f0c920288c5f55c.dll

  • Size

    120KB

  • MD5

    64e5915d7d45eeec6008ad31c7f88067

  • SHA1

    4d11b31883981b4d73b9e2140e110a67109a63ab

  • SHA256

    482c40bf313a352c279a0abca3365739926d8b543d1192f96f0c920288c5f55c

  • SHA512

    5c9deaca4dd35e742007cf96a2beda88b14f85852a5f476e39da8d11cf3a9f468e8dd10489c99dc9200a7b5d4d3bc0daee1aaa84cec9cc5d5b98a046c8c92b54

  • SSDEEP

    3072:1LDuMWpx2HF3KhamXlfZrrYqVHst4pw5BZ2mo/9g4mdq:1mzpxyaf1fxYaHst4pw5Ro/9sc

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 17 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 26 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\482c40bf313a352c279a0abca3365739926d8b543d1192f96f0c920288c5f55c.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2420
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\482c40bf313a352c279a0abca3365739926d8b543d1192f96f0c920288c5f55c.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2912
              • C:\Users\Admin\AppData\Local\Temp\f76b1d2.exe
                C:\Users\Admin\AppData\Local\Temp\f76b1d2.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:3036
              • C:\Users\Admin\AppData\Local\Temp\f76b358.exe
                C:\Users\Admin\AppData\Local\Temp\f76b358.exe
                4⤵
                • Executes dropped EXE
                PID:2768
              • C:\Users\Admin\AppData\Local\Temp\f76d0f5.exe
                C:\Users\Admin\AppData\Local\Temp\f76d0f5.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2660
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1204

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            66bf22d9dcbc0c98a1519b04f7c68e6b

            SHA1

            4601f23cca064d57bf0a635bcc44960d8a33f590

            SHA256

            33080713e652fc7e8e9f5429fbb457014dbe1c4e8b3702423f7fcf452f200add

            SHA512

            a5d96baea81b96b8af916e846858f08c7b95742c642ea04f967d875d5396ea70d63e57c53439648e298c695f3ad629d135d72e378331efb18b04c1a24e1e4152

          • \Users\Admin\AppData\Local\Temp\f76b1d2.exe

            Filesize

            97KB

            MD5

            0cb3d675f04ac47e96607ab434cf4f66

            SHA1

            7f00952bbaf4af91bc991e4f31b235fdd505203d

            SHA256

            f7b5dad55d8e6b210f052a92b73b62b7722385480fccfb6399ea9239321a9df7

            SHA512

            08f525403a39f10a9a5dccc9796f25bb0304c99aa598d23710e2f813a02e1327b480fcb45b5fbdae2c1cc0af55696d10adc52841f5ba8448d83cef96b152447c

          • memory/1100-27-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/2660-170-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-106-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2660-104-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2660-102-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2660-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-215-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-130-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2660-216-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-98-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2768-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2768-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2768-188-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2768-129-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2912-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2912-33-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2912-54-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2912-53-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2912-51-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2912-6-0x00000000000D0000-0x00000000000E2000-memory.dmp

            Filesize

            72KB

          • memory/2912-13-0x00000000000D0000-0x00000000000E2000-memory.dmp

            Filesize

            72KB

          • memory/2912-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2912-34-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2912-42-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2912-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2912-84-0x00000000000D0000-0x00000000000D2000-memory.dmp

            Filesize

            8KB

          • memory/2912-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3036-17-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-43-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

            Filesize

            4KB

          • memory/3036-66-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-67-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-64-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-69-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-70-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-71-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-72-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-63-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-24-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-88-0x0000000002EA0000-0x0000000002EA2000-memory.dmp

            Filesize

            8KB

          • memory/3036-87-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-90-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-18-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-65-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-19-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-22-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-25-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-108-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-110-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-57-0x0000000002EA0000-0x0000000002EA2000-memory.dmp

            Filesize

            8KB

          • memory/3036-56-0x0000000002EA0000-0x0000000002EA2000-memory.dmp

            Filesize

            8KB

          • memory/3036-157-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3036-26-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-21-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-23-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-20-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/3036-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB